Doctor profile · Federal record

Dr. Aaron Baas, MD

Family Medicine Physician (CMS: Family Practice) · Mitchell, SD

  • NPI 1114144375
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1900 Grassland Dr
Mitchell, SD 573016335
(605) 995-7000

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
August 3, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
South Dakota #7829

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114144375. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
3
Medicare allowed
$3,013
HCPCS Description Services Patients Avg allowed
71046 X-ray of chest, 2 views 33 30 $23
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 29 16 $72
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 28 28 $6

In context: peer comparison

Among 4 peers in this city , average services per provider: 133. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,518
Patients
341
Total drug cost
$51,831
Drug Type Claims Patients Total cost
Lisinopril Generic 172 36 $1,041
Amlodipine Besylate Generic 153 37 $1,122
Metoprolol Succinate Generic 145 29 $1,980
Omeprazole Generic 129 35 $1,382
Atorvastatin Calcium Generic 115 27 $841
Levothyroxine Sodium Generic 113 23 $1,026
Rosuvastatin Calcium Generic 97 24 $2,046
Furosemide Generic 89 15 $497
Potassium Chloride Generic 84 19 $2,266
Simvastatin Generic 83 24 $773

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Baas's medical specialty?
Dr. Aaron Baas practices Family Medicine Physician in Mitchell, SD.
Where does Dr. Aaron Baas practice?
Dr. Aaron Baas practices at 1900 Grassland Dr, Mitchell, SD 573016335. Office phone: 6059957000.
What is Dr. Aaron Baas's NPI?
Dr. Aaron Baas's National Provider Identifier (NPI) is 1114144375, issued by NPPES.
Does Dr. Aaron Baas accept Medicare assignment?
Yes. Dr. Aaron Baas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Baas commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 2 views (HCPCS 71046); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.